

html, body {
    height: 100%;
    margin: 0;
}

body {
    background-color: #9fd6ff;
    font-size: 20px;
    color: #0051ff;
}

#notepad_div {
    min-height: -moz-calc(100% - (30px + 30px));
    min-height: -webkit-calc(100% - (30px + 30px));
    min-height: calc(100% - (30px + 30px));
    width: 90vw;
    padding-top: 5px;
    padding-left: 60px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    font-size: 2rem;
    line-height: 1.4;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family:Microsoft YaHei, sans-serif;
    background-color: transparent;
    margin-top:0px;
}

#leftNum {
    float: left;
    min-height: -moz-calc(100% - (30px + 30px));
    min-height: -webkit-calc(100% - (30px + 30px));
    min-height: calc(100% - (30px + 30px));
    width: 45px;
    padding-top: 5px;
    padding-right:10px;
    resize: none;
    outline: none;
    overflow-y: hidden;
    overflow-x: hidden;
    border: 0;
    background: rgb(247,247,247);
    color: #999;
     font-size: 2rem;
    line-height: 1.4;
    text-align: right;
    font-weight: bold;
    box-sizing: border-box;
    margin-top:0px;
    font-family:Microsoft YaHei, sans-serif;
}

.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    position: fixed;
    animation: spin 2s linear infinite;
    bottom: 30px;
    right: 30px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#mySidenav a {
    position: absolute;
    right: 0px;
    transition: 0.3s;
    padding: 15px;
    width: 50px;
    text-decoration: none;
    font-size: 20px;
    color: white;
    border-radius: 5px 0px 0px 5px;
}

#mySidenav input {
    position: absolute;
    right: 0px;
    transition: 0.3s;
    padding: 0px;
    width: 130px;
    height:35px;
    text-decoration: none;
    font-size: 20px;
    color: black;
    border-radius: 2px 2px 2px 2px;
}
#green {
    border: 0px solid;
    top: 40px;
    background-color: #1BBC9B;
}

#blue {
    border: 0px solid;
    top: 75px;
    background-color: #0366d6;
}

#red {
    border: 0px solid;
    top: 110px;
    background-color: #A77DC2;
}

#black {
    border: 0px solid;
    top: 145px;
    background-color: #555;
}

#skyblue {
    background-color: #c8eecd;
    top: 180px;
    border: 0px solid;
}
#datepicker {
    top: 0px;
    border: 0px solid;
}